783403780201 has 9 divisors (see below), whose sum is σ = 911313645501. Its totient is φ = 671483643852.

The previous prime is 783403780177. The next prime is 783403780231. The reversal of 783403780201 is 102087304387.

The square root of 783403780201 is 885101.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 783403780201 - 2⁵ = 783403780169 is a prime.

It is a super-2 number, since 2×783403780201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (783403780231) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6132486 + ... + 6258928.

Almost surely, 2^783403780201 is an apocalyptic number.

783403780201 is the 885101-st square number.

783403780201 is the 442551-st centered octagonal number.

It is an amenable number.

783403780201 is a deficient number, since it is larger than the sum of its proper divisors (127909865300).

783403780201 is an frugal number, since it uses more digits than its factorization.

783403780201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252900 (or 126450 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 783403780201 in words is "seven hundred eighty-three billion, four hundred three million, seven hundred eighty thousand, two hundred one".